public virtual char[] GenerateBitsAsCharsWithPeriodCheck(int length, Lfsr seed)
{
uint counter = 0;
uint period = 0;
bool periodFound = false;
var initialRegister = new BitArray(seed.Register);
char[] result = new char[length];
for (int i = 0; i < length; i++)
{
result[i] = SeriesConverter.BoolToChar(GenerateOneBit());
counter++;
if (CompareBitArrays(initialRegister, this.Registers[0].Register))
{
period = counter;
counter = 0;
periodFound = true;
}
}
if (periodFound)
{
this.Period = period;
}
else
{
this.Period = counter;
}
return(result);
}
public A5_1Generator()
{
Registers = new Lfsr[3];
Registers[0] = new Lfsr(19, true);
Registers[1] = new Lfsr(22, true);
Registers[2] = new Lfsr(23, true);
}
public StopAndGoGenerator()
{
Lfsr[] lfsrs = new Lfsr[NumberOfRegisters];
for (int i = 0; i < lfsrs.Length; i++)
{
lfsrs[i] = new Lfsr();
}
Registers = lfsrs;
}
public ShrinkingGenerator()
{
Lfsr[] lfsr = new Lfsr[2];
for (int i = 0; i < lfsr.Length; i++)
{
lfsr[i] = new Lfsr();
}
Registers = lfsr;
}
//Generates registers with default length (8)
public GeffesGenerator()
{
Lfsr[] lfsr = new Lfsr[3];
for (int i = 0; i < lfsr.Length; i++)
{
lfsr[i] = new Lfsr();
}
Registers = lfsr;
}
public CascadeGenerator(int numOfLfsr)
{
Lfsr[] lfsr = new Lfsr[numOfLfsr];
for (int i = 0; i < lfsr.Length; i++)
{
lfsr[i] = new Lfsr();
}
Registers = lfsr;
}
public void ChangeRegister(Lfsr register, int registerIndex)
{
if (registerIndex > Registers.Length - 1)
{
throw new ArgumentException("Niepoprawny indeks rejestru!");
}
else
{
Registers[registerIndex] = register;
}
Registers[registerIndex].UpdateOutputBit();
}
//period check
public virtual byte[] GenerateBytesWithPeriodCheck(int length, Lfsr seed)
{
uint counter = 0;
uint period = 0;
var initialRegister = new BitArray(seed.Register);
bool[] result = new bool[length * 8];
for (int i = 0; i < result.Length; i++)
{
result[i] = GenerateOneBit();
counter++;
if (initialRegister.Equals(this.Registers[0]))
{
period = counter;
}
this.Period = period;
}
return(SeriesConverter.BoolToByteArray(result));
}
public LfsrGenerator()
{
Registers = new Lfsr[1];
}
public SelfDecimationGenerator()
{
Registers = new Lfsr[1] {
new Lfsr()
};
}
public SelfShrinkingGenerator()
{
Registers = new Lfsr[1] {
new Lfsr()
};
}
